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1999 Chevy S-10 Heating and Air Conditioning

Tiny
THEMETALHED
  • MEMBER
  • 1999 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
So a month or two ago, pretty much about the time summer started, I noticed that my vents were blowing hot air when I had the air conditioning on. Infact even when I have the A/C and heating off, vents still blow hot air. For the sake of my comfort how do I fix this?
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Saturday, June 12th, 2010 AT 11:59 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
First have your a/c checked to see if there is any freon in the a/c system. The heat may be picking up from the engine. You'll have to check and see if you have any open areas on the front of the dash coming innto the truck. Also see if your heater door is not working and didn't close. It's either or electric. It may be stuck and it's under the dash.
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Tuesday, June 15th, 2010 AT 7:35 PM

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